GB2332805B - Speaker - Google Patents

Speaker

Info

Publication number
GB2332805B
GB2332805B GB9826534A GB9826534A GB2332805B GB 2332805 B GB2332805 B GB 2332805B GB 9826534 A GB9826534 A GB 9826534A GB 9826534 A GB9826534 A GB 9826534A GB 2332805 B GB2332805 B GB 2332805B
Authority
GB
United Kingdom
Prior art keywords
speaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB9826534A
Other languages
English (en)
Other versions
GB2332805A (en
GB9826534D0 (en
Inventor
Takao Mori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB9826534D0 publication Critical patent/GB9826534D0/en
Publication of GB2332805A publication Critical patent/GB2332805A/en
Application granted granted Critical
Publication of GB2332805B publication Critical patent/GB2332805B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
GB9826534A 1997-12-26 1998-12-02 Speaker Expired - Lifetime GB2332805B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP09360055A JP3141834B2 (ja) 1997-12-26 1997-12-26 スピーカ

Publications (3)

Publication Number Publication Date
GB9826534D0 GB9826534D0 (en) 1999-01-27
GB2332805A GB2332805A (en) 1999-06-30
GB2332805B true GB2332805B (en) 1999-11-24

Family

ID=18467680

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9826534A Expired - Lifetime GB2332805B (en) 1997-12-26 1998-12-02 Speaker

Country Status (4)

Country Link
US (1) US6522759B1 (de)
JP (1) JP3141834B2 (de)
DE (1) DE19857024B4 (de)
GB (1) GB2332805B (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6512450B1 (en) * 2000-01-20 2003-01-28 Mallory Sonalert, Products, Inc. Extra loud low frequency acoustical alarm assembly
JP2002345062A (ja) * 2001-05-17 2002-11-29 Citizen Electronics Co Ltd マイクロホン
JP3914449B2 (ja) * 2002-03-28 2007-05-16 パイオニア株式会社 スピーカ装置
JP4073800B2 (ja) * 2003-02-12 2008-04-09 カルソニックカンセイ株式会社 車両用計器装置
US20050072624A1 (en) * 2003-10-06 2005-04-07 Lg Electronics Inc. Speaker
JP3966318B2 (ja) * 2004-09-09 2007-08-29 セイコーエプソン株式会社 電気光学装置及び電子機器
US20060078136A1 (en) * 2004-10-07 2006-04-13 Stiles Enrique M Chamber-loaded augmented passive radiator
JP2006310961A (ja) * 2005-04-26 2006-11-09 Pioneer Electronic Corp スピーカー装置
US7565949B2 (en) * 2005-09-27 2009-07-28 Casio Computer Co., Ltd. Flat panel display module having speaker function
US7578368B2 (en) * 2007-03-07 2009-08-25 Foxconn Technology Co., Ltd. Speaker set for electronic product
US7578367B2 (en) * 2007-03-07 2009-08-25 Foxconn Technology Co., Ltd. Speaker set and electronic product incorporating the same
US20090175460A1 (en) * 2008-01-09 2009-07-09 Fortemedia, Inc. Artificial mouth with acoustic tube outputting plane waves
JP5796169B2 (ja) * 2008-12-26 2015-10-21 パナソニックＩｐマネジメント株式会社 圧電スピーカ
JP5796170B2 (ja) * 2008-12-26 2015-10-21 パナソニックＩｐマネジメント株式会社 圧電音響装置
CN102265646B (zh) * 2008-12-26 2014-04-23 松下电器产业株式会社 压电扬声器、使用其的压电音响装置以及带警报器的传感器
US8118134B2 (en) 2009-08-20 2012-02-21 Research In Motion Limited Front resonator for a speaker of a wireless device
JP5545083B2 (ja) * 2010-07-07 2014-07-09 ソニー株式会社 スピーカ装置
DE102013208801B4 (de) 2013-05-14 2022-12-15 Robert Bosch Gmbh Brandmelder
TWI531248B (zh) * 2013-08-23 2016-04-21 宏碁股份有限公司 音箱結構
US9307308B2 (en) * 2014-05-13 2016-04-05 Apple Inc. Dynamically formed acoustic volume
WO2016067707A1 (ja) * 2014-10-31 2016-05-06 株式会社村田製作所 発音装置
US9883290B2 (en) 2014-12-31 2018-01-30 Skullcandy, Inc. Audio driver assembly, headphone including such an audio driver assembly, and related methods
CN207070332U (zh) * 2017-06-26 2018-03-02 歌尔科技有限公司 扬声器模组以及电子设备
CN109104666B (zh) * 2018-08-01 2020-10-09 美特科技(苏州)有限公司 扬声器及其音频设备、频响调节方法
CN111326133A (zh) * 2018-12-17 2020-06-23 海湾安全技术有限公司 蜂鸣器、蜂鸣装置以及安防设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278851A (en) * 1978-09-07 1981-07-14 Murata Manufacturing Co., Ltd. Piezoelectric buzzer
US4413198A (en) * 1981-12-30 1983-11-01 Motorola, Inc. Piezoelectric transducer apparatus
US4430529A (en) * 1980-12-24 1984-02-07 Murata Manufacturing Co., Ltd. Piezoelectric loudspeaker
US4949387A (en) * 1988-07-29 1990-08-14 Siemens Aktiengesellschaft Electro-acoustic transducer unit
US5184332A (en) * 1990-12-06 1993-02-02 Image Acoustics, Inc. Multiport underwater sound transducer
EP0598556A1 (de) * 1992-11-18 1994-05-25 Star Micronics Co., Ltd. Elektroakustischer Wandler

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4076097A (en) * 1976-08-04 1978-02-28 Thomas Lowe Clarke Augmented passive radiator loudspeaker
US4379211A (en) * 1980-10-14 1983-04-05 Telephonics Corporation Arcuately tensioned piezoelectric diaphragm microphone
US4439644A (en) * 1981-11-24 1984-03-27 Edmund M. Jaskiewicz Loud speaker enclosure
US4549631A (en) * 1983-10-24 1985-10-29 Bose Corporation Multiple porting loudspeaker systems
JPS60108098U (ja) * 1983-12-22 1985-07-23 日本特殊陶業株式会社 圧電スピ−カ−
US5198624A (en) * 1988-02-10 1993-03-30 Linaeum Corporation Audio transducer with controlled flexibility diaphragm
US4875546A (en) * 1988-06-02 1989-10-24 Teledyne Industries, Inc. Loudspeaker with acoustic band-pass filter
US5025885A (en) * 1989-07-14 1991-06-25 Bose Corporation Multiple chamber loudspeaker system
US5092424A (en) * 1990-12-03 1992-03-03 Bose Corporation Electroacoustical transducing with at least three cascaded subchambers
US5150417A (en) * 1991-02-25 1992-09-22 Socon Ab Bass reflex type speaker system
US6169811B1 (en) * 1999-03-02 2001-01-02 American Technology Corporation Bandpass loudspeaker system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278851A (en) * 1978-09-07 1981-07-14 Murata Manufacturing Co., Ltd. Piezoelectric buzzer
US4430529A (en) * 1980-12-24 1984-02-07 Murata Manufacturing Co., Ltd. Piezoelectric loudspeaker
US4413198A (en) * 1981-12-30 1983-11-01 Motorola, Inc. Piezoelectric transducer apparatus
US4949387A (en) * 1988-07-29 1990-08-14 Siemens Aktiengesellschaft Electro-acoustic transducer unit
US5184332A (en) * 1990-12-06 1993-02-02 Image Acoustics, Inc. Multiport underwater sound transducer
EP0598556A1 (de) * 1992-11-18 1994-05-25 Star Micronics Co., Ltd. Elektroakustischer Wandler

Also Published As

Publication number Publication date
JP3141834B2 (ja) 2001-03-07
GB2332805A (en) 1999-06-30
DE19857024A1 (de) 1999-07-15
DE19857024B4 (de) 2006-06-14
US6522759B1 (en) 2003-02-18
GB9826534D0 (en) 1999-01-27
JPH11196494A (ja) 1999-07-21

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20181201